Siemens 3TB4311-0XL0 Contactor AC 50 Hz, 125/127V, 22A, 11kW with 1 NC Auxiliary Contact Original Brand New

Overview

The Siemens 3TB4311-0XL0 is a high-performance AC contactor designed for efficient and reliable switching of electrical loads in industrial and commercial applications. As part of the globally recognized Siemens product line, this contactor is built to the highest standards of quality and durability. With a compact Size 1 frame and user-friendly screw connections, it offers a perfect balance of power and simplicity for a wide range of motor control and power switching tasks.

Key Features & Specification

• Product Number: 3TB4311-0XL0
• Operating Frequency: 50 Hz
• Coil Voltage: 125/127 V AC
• Current Rating (AC3): 22 A at 400 V
• Power Rating (AC3): 11 kW
• Auxiliary Contacts: 1 NC (Normally Closed)
• Size: Size 1
• Connection Type: Screw Connection
• Series: Siemens 3TB43

Benefit

• Reliable Performance: Engineered by Siemens, a leader in industrial automation, ensuring long-lasting and consistent operation.
• Safety & Efficiency: Designed to handle significant power loads (11kW) safely and efficiently, protecting your equipment from electrical overloads.
• Versatile Application: Ideal for controlling motors, lighting circuits, heating systems, and other electrical loads in various industrial settings.
• Easy Installation: Features robust screw connections for a secure and straightforward wiring process, minimizing installation time.
• Space-Saving Design: The compact Size 1 form factor allows for integration into panels and enclosures with limited space.
• Integrated Auxiliary Contact: The built-in 1 NC contact provides flexibility for control and signaling circuits, simplifying your overall system design.

Function

The Siemens 3TB4311-0XL0 functions as an electrically operated switch. When the 125/127 V AC coil is energized, it closes the main power contacts, allowing current to flow to the connected load (e.g., a motor). The integrated Normally Closed (NC) auxiliary contact opens when the coil is energized. This auxiliary contact can be used for interlocking, status indication, or controlling other circuits, making the contactor a crucial component in complex control systems. Its robust design is specifically rated for AC 50 Hz applications.

Technical Detail

• Standards & Approvals: Conforms to international standards for electrical components.
• Operating Temperature: Suitable for a range of industrial environments.
• Durability: High mechanical and electrical endurance for a long service life.

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